(ci) bring nyaacat ci back :)

README.md

@@ -1,11 +1,12 @@
-# LockettePro [![AutoBuilder](https://github.com/NyaaCat/LockettePro/actions/workflows/autobuild.yml/badge.svg)](https://github.com/NyaaCat/LockettePro/actions/workflows/autobuild.yml)
+# LockettePro [![Build Status](https://ci.nyaacat.com/job/LockettePro/job/main/badge/icon?style=flat-square)](https://ci.nyaacat.com/job/LockettePro/job/main/)
 
 <!-- For Alerts: https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#alerts -->
 > [!CAUTION]\
 > ***Versions for Minecraft 1.21 are not fully tested yet.***  
 > Please create an issue if you find anything wrong. Thank you.  
 
-The Builds afterward will be migrated to [GitHub actions](https://github.com/NyaaCat/LockettePro/actions/workflows/autobuild.yml) due to Nyaa CI server closed.
+All versions can be found at [Nyaa CI server](https://ci.nyaacat.com/job/LockettePro/) 
+For the newest build on main branch, click [here](https://ci.nyaacat.com/job/LockettePro/job/main/lastSuccessfulBuild/)
 
 ### LockettePro - A much better Lockette plugin for Bukkit
 

src/main/Jenkinsfile

@@ -0,0 +1,21 @@
+
+pipeline {
+    agent any
+    stages {
+        stage('Build') {
+            tools {
+                jdk "jdk21"
+            }
+            steps {
+                sh './gradlew build'
+            }
+        }
+    }
+
+    post {
+        always {
+            archiveArtifacts artifacts: 'build/libs/*.jar', fingerprint: true
+            cleanWs()
+        }
+    }
+}